高(gao)壓放電(dian)(dian)(dian)棒是(shi)利(li)用新型絕緣材料加工而成。它具有(you)能拉長，又能收縮(suo)的特(te)(te)點。便攜式伸縮(suo)型高(gao)壓放電(dian)(dian)(dian)棒便于(yu)在室外(wai)各項高(gao)電(dian)(dian)(dian)壓試驗(yan)中(zhong)使用，特(te)(te)別(bie)在做直流(liu)耐壓試驗(yan)后，對(dui)試品上(shang)積(ji)累的電(dian)(dian)(dian)荷(he)，進(jin)行對(dui)地放電(dian)(dian)(dian)，確(que)保人身安全。伸縮(suo)型高(gao)壓放電(dian)(dian)(dian)棒便于(yu)攜帶，方便、靈活，具有(you)體積(ji)小、重(zhong)量輕(qing)、安全。

   放(fang)電棒使用方法

1、將便(bian)攜式伸縮型高壓放電(dian)棒伸縮部分全部拉出。 　　

2、把配(pei)制好(hao)的(de)(de)接地(di)線插(cha)頭插(cha)入(ru)放電棒(bang)的(de)(de)頭端部位的(de)(de)插(cha)孔(kong)內，將地(di)線的(de)(de)另一端與大地(di)連(lian)接，接地(di)要可(ke)靠。 　　

3、放電時應在試驗完畢后，即直流發生器的控制箱的升壓旋鈕回到零位上，此時可觀察直流高壓發生器控制箱上的電壓表的電壓下降到15kV～20kV左右，方可(ke)放(fang)電。 　　

4、放(fang)電(dian)時(shi)應先用放(fang)電(dian)棒的(de)前端的(de)金屬尖頭，慢(man)慢(man)的(de)去(qu)靠近已斷開試驗電(dian)源的(de)試品。此(ci)時(shi)放(fang)電(dian)棒釋放(fang)電(dian)能是經過(guo)一放(fang)電(dian)電(dian)阻進(jin)行(xing)對地(di)放(fang)電(dian)。然后再用放(fang)電(dian)棒上接地(di)線上的(de)鉤子去(qu)鉤住試品，進(jin)行(xing)第二(er)次直接對地(di)放(fang)電(dian)。

放(fang)電棒注意事項

1、對大電(dian)(dian)(dian)(dian)(dian)(dian)容試(shi)品放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)時，須在(zai)試(shi)驗(yan)完畢后(hou)，斷開試(shi)驗(yan)電(dian)(dian)(dian)(dian)(dian)(dian)源后(hou)，應(ying)該等(deng)待一段時間后(hou)，使試(shi)品上的電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)通過倍壓(ya)筒及試(shi)品本身對地自(zi)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)。此時可觀察控制(zhi)箱上的電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)表電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)數在(zai)逐步下(xia)降跌落，當電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)表電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)下(xia)降到(dao)較低的電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)，一般在(zai)5kV～15kV左右，方可(ke)用放電棒去逐步移向試(shi)(shi)品(pin)附(fu)近(jin)。先通過(guo)間隙(xi)空氣游離放電，此時可(ke)聽到嘶嘶的聲音，當無聲音后，用放電棒*去碰試(shi)(shi)品(pin)，zui后將試(shi)(shi)品(pin)直接(jie)接(jie)地放電。 　　

2、大電容試(shi)(shi)品積累電荷的大小(xiao)(xiao)與試(shi)(shi)品電容的大小(xiao)(xiao)和(he)施加電壓的高低(di)與時間的長短(duan)成正比。 　　

3、對幾公里(li)以上的高壓電(dian)(dian)纜試驗結(jie)束后，放(fang)電(dian)(dian)時間(jian)一般都要很長，且需多次反復放(fang)電(dian)(dian)。電(dian)(dian)阻容量(liang)(liang)要很大，需訂購(gou)大容量(liang)(liang)的放(fang)電(dian)(dian)棒(bang)。 　　

4、嚴禁(jin)未拉開試驗電(dian)源用放電(dian)棒對(dui)試品進行放電(dian)。 ;　　

5、嚴(yan)禁用腳踩及重(zhong)物擠壓放電棒，嚴(yan)禁折彎(wan)、折斷(duan)放電棒。 　　

6、嚴禁將放電棒受潮，影響絕緣(yuan)強度，應放在干燥的地方(fang)。